Home / 84,184.50-126,311.37-61,809.43

Finding the Fourth Proportional to 84,184.50, 126,311.37 and 61,809.43

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Solution

The fourth proportional to 84,184.50, 126,311.37 and 61,809.43 is: 92,739.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,184.50 : 126,311.37 = 61,809.43 : x
  2. Step 2: Convert to fraction form
    84,184.50/126,311.37 = 61,809.43/x
  3. Step 3: Cross multiply
    84,184.50x = 126,311.37 × 61,809.43
  4. Step 4: Simplify right side
    84,184.50x = 7,807,233,466.44
  5. Step 5: Solve for x
    x = 7,807,233,466.44/84,184.50
  6. Step 6: Final answer
    x = 92,739.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.